An approximation of the effective force actually realized
by the real damper is needed for the feedback loop. In
case of the model-based approach, the damper force ˆFd,m
is generated by a parallel simulation of the dynamic damper
model, driven by the acting relative velocity ˙xcw and the
current i∗, see Fig. 2. The second method investigated is a
signal-based technique, which makes use of the measured
body acceleration and of an estimation of the chassis mass.
Solving the chassis equation of motion in (1) with respect to
Fd(x, i∗) and applying the measured and estimated signals,
an estimation of the acting damper force is given by
An approximation of the effective force actually realizedby the real damper is needed for the feedback loop. Incase of the model-based approach, the damper force ˆFd,mis generated by a parallel simulation of the dynamic dampermodel, driven by the acting relative velocity ˙xcw and thecurrent i∗, see Fig. 2. The second method investigated is asignal-based technique, which makes use of the measuredbody acceleration and of an estimation of the chassis mass.Solving the chassis equation of motion in (1) with respect toFd(x, i∗) and applying the measured and estimated signals,an estimation of the acting damper force is given by
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